This study examined the relationship between the leadership readiness beliefs of perspective school leaders and the efficacy-building experiences in which they participated during university preparation programs. I developed and administered a survey to 176 prospective school leaders during the final months of their preliminary administrative credential preparation programs. I found a moderate positive correlation between the number of efficacy-building experiences in which students took part and the leadership readiness that they reported. Based on these results, this article offers specific recommendations for university programs that desire to best prepare their students through efficacy-based training